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Filterselbstretter

m
expl. filter self rescuer
sant.travail. escape apparatus; selenolite-rescuer
CO2-Filterselbstretter m
expl. miner’s self-rescuer
Filterselbstretter v
charb. carbon-monoxide self-rescuer; filter self-rescuer; filter type respirator
Filterselbstretter
: 1 phrases, 1 sujets
Exploitation minière1